I could transduce you could transduce he could transduce we could transduce you could transduce they could transduce
V-ing form
I could be transducing you could be transducing he could be transducing we could be transducing you could be transducing they could be transducing
Perfect
I could have transduced you could have transduced he could have transduced we could have transduced you could have transduced they could have transduced
V-ing perfect
I could have been transducing you could have been transducing he could have been transducing we could have been transducing you could have been transducing they could have been transducing
Negation
Simple form
I couldn't transduce you couldn't transduce he couldn't transduce we couldn't transduce you couldn't transduce they couldn't transduce
V-ing form
I couldn't be transducing you couldn't be transducing he couldn't be transducing we couldn't be transducing you couldn't be transducing they couldn't be transducing
Perfect
I couldn't have transduced you couldn't have transduced he couldn't have transduced we couldn't have transduced you couldn't have transduced they couldn't have transduced
V-ing perfect
I couldn't have been transducing you couldn't have been transducing he couldn't have been transducing we couldn't have been transducing you couldn't have been transducing they couldn't have been transducing
Interrogative form
Simple form
could I transduce? could you transduce? could he transduce? could we transduce? could you transduce? could they transduce?
V-ing form
could I be transducing? could you be transducing? could he be transducing? could we be transducing? could you be transducing? could they be transducing?
Perfect
could I have transduced? could you have transduced? could he have transduced? could we have transduced? could you have transduced? could they have transduced?
V-ing perfect
could I have been transducing? could you have been transducing? could he have been transducing? could we have been transducing? could you have been transducing? could they have been transducing?
Interro-negative form
Simple form
couldn't I transduce? couldn't you transduce? couldn't he transduce? couldn't we transduce? couldn't you transduce? couldn't they transduce?
V-ing form
couldn't I be transducing? couldn't you be transducing? couldn't he be transducing? couldn't we be transducing? couldn't you be transducing? couldn't they be transducing?
Perfect
couldn't I have transduced? couldn't you have transduced? couldn't he have transduced? couldn't we have transduced? couldn't you have transduced? couldn't they have transduced?
V-ing perfect
couldn't I have been transducing? couldn't you have been transducing? couldn't he have been transducing? couldn't we have been transducing? couldn't you have been transducing? couldn't they have been transducing?